111210120112122 has 16 divisors (see below), whose sum is σ = 247133600249280. Its totient is φ = 37070040037356.

The previous prime is 111210120112061. The next prime is 111210120112153. The reversal of 111210120112122 is 221211021012111.

It is a happy number.

111210120112122 is a `hidden beast` number, since 111 + 210 + 1 + 201 + 121 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111210120112095 and 111210120112104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029723334318 + ... + 1029723334425.

It is an arithmetic number, because the mean of its divisors is an integer number (15445850015580).

Almost surely, 2^{111210120112122} is an apocalyptic number.

111210120112122 is an abundant number, since it is smaller than the sum of its proper divisors (135923480137158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111210120112122 is a wasteful number, since it uses less digits than its factorization.

111210120112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059446668754 (or 2059446668748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111210120112122 its reverse (221211021012111), we get a palindrome (332421141124233).

The spelling of 111210120112122 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-two".